Last Updated：2022/12/24
This articulation of the metacarpal bone of the thumb is luxated either thenad or anconad of the os trapezium; when thenad, there is a prominence in the palm of the hand, the finger is extended anconad, and cannot be inflected thenad; when luxated anconad, there is a projection on the anconal aspect of the wrist, the thumb is inflected thenad, and cannot be extended.
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This
articulation
of
the
metacarpal
bone
of
the
thumb
is
luxated
either
thenad
or
anconad
of
the
os
trapezium;
when
thenad,
there
is
a
prominence
in
the
palm
of
the
hand,
the
finger
is
extended
anconad,
and
cannot
be
inflected
thenad;
when
luxated
anconad,
there
is
a
projection
on
the
anconal
aspect
of
the
wrist,
the
thumb
is
inflected
thenad,
and
cannot
be
extended.
